Observatory 71934
The aircraft flying towards the observatory was aimed at a distance of 5300 m at an elevation angle of 28º and after 9 seconds at a distance of 2400 m at an elevation angle of 50º. Calculate the distance the plane has flown in this time interval, its speed, and the change in altitude.
Correct answer:
![](/img/34/aircraft-02_1.jpg)
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- The Law of Sines
- basic functions
- reason
- numbers
- fractions
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
Themes, topics:
Grade of the word problem:
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